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CVE-2025-26529: Moodle has a stored XSS risk in admin live log

high Affects moodle/moodle. Feed 2026.10.29.2, updated 2026-10-29; published ; advisory modified .

Moodle has a stored XSS risk in admin live log

Package
moodle/moodle Composer
Affected versions
>=4.5.0-beta and <4.5.2 or >=4.4.0-beta and <4.4.6 or >=4.3.0-beta and <4.3.10 or <4.1.16
Fixed in
4.5.2, 4.4.6, 4.3.10, 4.1.16
Severity
high  CVSS 8.3
Exploitation
not on CISA KEV · EPSS 1% (44.0th percentile)
Published
2025-02-24
Source
osv.dev

References

CWE-79
NVD recordmoodle/moodle advisories

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# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

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